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The experimental material consisted of 52 805 ejaculates obtained from 335 boars. The ejaculates were collected using the gloved-hand technique. Each ejaculate was assessed using standard methods for the following physical traits: volume, sperm concentration, total number of spermatozoa, and number of insemination doses per ejaculate. The collected materials were grouped according to the criterion...
We investigated more than 8 thousand ejaculates collected from 112 boars. The investigation involved all the ejaculates collected and qualified for insemination during a four- -year period at a sow insemination centre. Semen was manually collected from the boars twice weekly, in the morning, after the first feeding. The collected ejaculates were evaluated according to a methodology used at Polish...
Materiał stanowiły dane dotyczące 29 578 ejakulatów pobranych od 250 knurów czystorasowych, w tym 46 knurów rasy wbp, 163 knurów rasy pbz, 15 knurów rasy duroc i 26 knurów rasy pietrain, użytkowanych w latach 1993-2007 w Stacji Unasieniania Loch w Teodorowie. Ejakulaty pobierano metodą manualną w odstępach co 4-5 dni. Każdy ejakulat poddano ocenie, ustalając następujące cechy fizyczne: objętość ejakulatu,...
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